karina
63 lines
1.8 KiB
CMake
63 lines
1.8 KiB
CMake
# SPDX-License-Identifier: GPL-3.0-or-later
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# Copyright (c) 2026 0xKSor
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set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_SYSTEM_PROCESSOR aarch64)
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set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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if(NOT LLVM_BIN)
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find_program(_CLANG
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NAMES clang
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HINTS
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/opt/homebrew/opt/llvm/bin
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/usr/local/opt/llvm/bin
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)
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if(NOT _CLANG AND APPLE)
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execute_process(
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COMMAND brew --prefix llvm
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OUTPUT_VARIABLE LLVM_PREFIX
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET
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RESULT_VARIABLE BREW_PREFIX_RESULT
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)
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if(BREW_PREFIX_RESULT EQUAL 0 AND EXISTS "${LLVM_PREFIX}/bin/clang")
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set(_CLANG "${LLVM_PREFIX}/bin/clang")
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endif()
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endif()
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if(NOT _CLANG)
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message(FATAL_ERROR "clang not found. Set LLVM_BIN or add clang to PATH.")
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endif()
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get_filename_component(LLVM_BIN "${_CLANG}" DIRECTORY)
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endif()
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set(CMAKE_C_COMPILER "${LLVM_BIN}/clang")
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set(CMAKE_ASM_COMPILER "${LLVM_BIN}/clang")
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set(TARGET_TRIPLE aarch64-none-elf)
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set(CMAKE_C_COMPILER_TARGET ${TARGET_TRIPLE})
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set(CMAKE_ASM_COMPILER_TARGET ${TARGET_TRIPLE})
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if(APPLE)
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find_program(TERMOS_LD_LLD NAMES ld.lld HINTS /usr/local/bin /opt/homebrew/bin REQUIRED)
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set(CMAKE_C_LINK_FLAGS "")
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set(CMAKE_C_LINK_EXECUTABLE
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"${TERMOS_LD_LLD} <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
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endif()
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find_program(LLVM_OBJCOPY NAMES llvm-objcopy objcopy
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HINTS
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"${LLVM_BIN}"
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/usr/local/opt/llvm/bin
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/opt/homebrew/opt/llvm/bin
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/usr/local/bin
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/opt/homebrew/bin
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REQUIRED
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)
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set(CMAKE_C_FLAGS_INIT "-ffreestanding -mgeneral-regs-only -std=c23")
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set(CMAKE_EXE_LINKER_FLAGS_INIT "-nostdlib -static -no-pie -z max-page-size=0x1000 --no-dynamic-linker -T ${CMAKE_CURRENT_LIST_DIR}/linker.ld -Ttext=0x400000")
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